Publisher description:
The mysterious migration of birds, fish and animals are engrossing and still far from being explained. What tells them to go? They don't have calendars, weather reports, radar equipment or maps, like humans. Where do the they go? Back and forth, night and day, rain or sunshine, they make long and, in many cases, dangerous trips. Scientists have observed certain facts: mother seals will take their young 3000 miles south from the Aleutian Islands, but the reason isn't clear; whales do the same because the baby whale's skin is thin and they need warmer water to survive. Why do salmon return to the same river and jump waterfalls to reach the end of their journey? Are they guided by the sun or the color of leaves? Do they use the stars, those who travel at night? Why do the swallows return to the Mission of San Juan Capistrano each year in March? Birds are most suited for long migrations. Their fat supplies energy for the long journeys, and the Golden Plover, for example, travels 2400 miles non-stop in two days time on only 2 ounces of body fat. If you are interested in migratory habits, get in touch with your conservation department and get a banding permit –birds are only one group of animals that are banded for scientific study.
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